{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011194},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012137","490:4900011266","490:4900011796","490:4900012064","490:4900011191","490:4900011118","490:4900011664","490:4900011196","490:4900011729","490:4900011806","490:4900011119","490:4900011601","490:4900011336","490:4900011190","490:4900011192","490:4900011530","490:4900011989","490:4900011197","490:4900011113","490:4900011203","490:4900009990","490:4900011611","490:4900010262","490:4900011041","490:4900011269"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5067448576367442,0.46141693435941084,0.4518232854583289,0.4307868600509207,0.4282374769693933,0.41109646686167306,0.4092297076946344,0.40427296818148956,0.3804559356242493,0.3391073705698116,0.33608896951142125,0.3336024882000172,0.3254669058314953,0.30233602254362013,0.29896415533784904,0.2960258614455299,0.2922116242734421,0.27662235653672534,0.27496399781656206,0.2692930996874007,0.2683044447454083,0.25539329797166577,0.2551943766597139,0.25021948856172554,0.24985297747496968],"twin_dists":[0.15143027067817558,0.1615309968353401,0.1637102955992413,0.16855105112160246,0.1691439954232469,0.1731697322365599,0.17361247691306006,0.174792433154669,0.18055682737155218,0.19100280983965132,0.191790749244214,0.19244271522137968,0.19459467585429016,0.2008832323705439,0.20182274644085668,0.20264652642104444,0.2037231094220433,0.20821290807302129,0.20869945997907197,0.21037701919366358,0.21067170775588726,0.21458398547274063,0.21464522466086056,0.21618674745122676,0.21630108477990184],"n_dims_used":45,"mean_confidence":0.9139002482096354},"coverage":{"mean_confidence":0.9139002482096354,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}